ignore packs not connected

custom_components/bluetti_bt/bluetti_bt_lib/bluetooth/device_reader.py

@@ -129,6 +129,8 @@ class DeviceReader:
                                     _LOGGER.debug("Parsed data: %s", parsed)
 
                                     for key, value in parsed.items():
+                                        # Ignore likely unavailable pack data
+                                        if value != 0:
                                             parsed_data.update({key + str(pack): value})
 
                                 except ParseError: